Ngaba isiva esishiywe ngamabhastile eglasi kwinkqubo yokuvelisa sinokuphetshwa ngokufanelekileyo
Ukuthintela amabhastile eglasi ukuba ashiye amanxeba ngexesha lenkqubo yokuvelisa, la manyathelo alandelayo anokuthathwa: 1. Lawula iqondo lobushushu kunye nokufuma kwemeko-bume yemveliso ukuqinisekisa ukuba ubushushu abukho phezulu kakhulu okanye abuphantsi kakhulu, nokulawula ukufuma ukuthintela iziphene umphezulu weglasi. 2. Lungisa inkqubo yokuvelisa kwaye wamkele izixhobo ezingcono zokuvelisa kunye neenkqubo zokunciphisa amanxeba ebusweni bamabhastile eglasi abangelwa yi-friction. 3. Izakhono zabasebenzi kunye namava angundoqo ekuthinteleni amabala emarble eglasi, kwaye kuyimfuneko ukuqhuba uqeqesho okanye ukugaya abasebenzi abanamava ukuze kuphuculwe imveliso yomsebenzi kunye nomgangatho weemabhile zeglasi. 4. Ekugqibeleni, ukukhetha izinto eziluhlaza kunye nomgangatho ongcono kunye nokuseka imigangatho yokulawula umgangatho ongqongqo kunokuphepha ukuveliswa kobunzima obungeyomfuneko.